Home / 14,193.47-19,586.21-7,819.83

Finding the Fourth Proportional to 14,193.47, 19,586.21 and 7,819.83

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Solution

The fourth proportional to 14,193.47, 19,586.21 and 7,819.83 is: 10,790.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.47 : 19,586.21 = 7,819.83 : x
  2. Step 2: Convert to fraction form
    14,193.47/19,586.21 = 7,819.83/x
  3. Step 3: Cross multiply
    14,193.47x = 19,586.21 × 7,819.83
  4. Step 4: Simplify right side
    14,193.47x = 153,160,793.45
  5. Step 5: Solve for x
    x = 153,160,793.45/14,193.47
  6. Step 6: Final answer
    x = 10,790.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.